TO DAVID DALE OWEN, M.D., 
UNITED STATES GEOLOGIST. 
Sir: In compliance with your instructions, bearing date the 30th April, 1849, 
* [herewith submit a Report of the Geological Survey made by me in that part of 
Wisconsin bordering on Lake Superior, and lying between the Michigan boundary 
and the Bois Brulé River, and the sources of the streams flowing into Lake Superior 
from the south. 
Yours, &e., 
CHARLES WHITTLESEY. 
